NASASpaceflight.com @nasaspaceflight.com Official Account of NSF. News, videos, and community for spaceflight enthusiasts since 2005.
NSF is not affiliated with NASA, initials used with permission.
Sheldrick Wildlife Trust @sheldricktrust.bsky.social World leaders in the rescue and rewilding of orphaned elephants and rhinos, working across Kenya to secure a future for all wildlife.
https://links.sheldrickwildlifetrust.org
@SheldrickTrust on Instagram, Facebook, X, TikTok, Threads & YouTube
Kimberly Ennico Smith @kennicosmith.bsky.social Scientist (NASA, retired). Fueled by tea. Inspired by many. We can solve our planet's problems as part of space exploration. Views my own. Minor planet 154587. #KeepCalmScienceOn #AdAstra #DareMightyThings #SecondStarToTheRightAndStraightOnTillMorning
Cathrin Machin Space Art @cathrinmachin.bsky.social Space Artist & Telescope Operator 🚀
Grab my 2026 Calendar here 👇
https://catmachin.com/products/2026-calendar
Hourly Cosmos @hourlycosmos.bsky.social Photo sharing bot for planetary and deep space images.
Run by @kevinmgill.bsky.social
Content providers added with permission.
Vincent Ledvina @vincentledvina.bsky.social 📷”The Aurora Guy”
🌌Space Physics Ph.D. student
📍North Pole, Alaska
🫂Participatory science, science comm.
🌀 Professional aurora chaser
👨💻Views my own
Holly 🥄 @absolutspacegrl.bsky.social I do space stuff but in a Lawful Good way
Engineer working on lunar electrical power systems for human space exploration. 🚀🛰️🧪👩🏻🔬
Bluesky Elder yelling at clouds
Opinions=mine
she/her 🏳️🌈🏳️⚧️
Anne Wheaton @annewheaton.bsky.social Author, rescue pet advocate, wife, mom.
darth™️ @darthbluesky.bsky.social not the darth u are looking for
Wil Wheaton ❌👑 @wilwheaton.net New York Times bestselling author and audiobook narrator.
Host of It's Storytime with Wil Wheaton
Retired Starfleet officer.
Husband, father, Traveler.
Nazi punks fuck off.
Alt US Forest Service @altusfs.altgov.info 📣 Speaking for the trees, and:
🌲 600 million forest acres
💚 193 million acres public land
🥾 164,000 miles of trails
🎣 400,000 miles of streams
🪵 Billions of board feet timber
🚰 Trillions of gallons clean water
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TrekCulture @trekculture.bsky.social #StarTrek lists, rankings, news and editorials from http://WhatCulture.com 🖖🏼
Subscribe to our Youtube channel: https://www.youtube.com/@TrekCulture
Jeri Ryan (official account) @jerilryan.bsky.social Actress, mom, wife, foodie, gardener. Not necessarily in that order. Trying to make a better world for our kids. Star Trek: Picard. That’s CAPTAIN Seven to you. 🖖🏼😋❤️
Mark Hamill @markhamillofficial.bsky.social Believe in yourself! Work hard, never give up & anything's possible! OR: Kick back, relax & aim low: You'll never be disappointed...😜
Neil deGrasse Tyson @neildegrassetyson.com Astrophysicist
Kate Mulgrew @thekatemulgrew.bsky.social The official Bluesky account of Kate Mulgrew, actress and author.
Robert Picardo @robertpicardo.bsky.social Actor, collectible, Planetary Society Board Member and AI since the 90s .
Patton Oswalt @pattonoswalt.bsky.social Writing and yelling. 
Norm Ornstein @normornstein.bsky.social Political scientist, co-host of Words Matter podcast, contributor to The Contrarian
AFT @aft.org Education | Healthcare | Public Services
Trek Central @trekcentral.net Your destination for everything #StarTrek! 🖖 News, Lore, and more!
Catch our YouTube videos and read our web articles!
🚀 Connect with us
https://linktr.ee/TrekCentral
Science Friday @scifri.bsky.social Entertaining & educational conversations about science, tech, + more. Hosted by Ira Flatow and Flora Lichtman. From WNYCStudios.
The Planetary Society @planetarysociety.bsky.social A space advocacy nonprofit founded in 1980 by Carl Sagan, Bruce Murray, and Louis Friedman, now led by Bill Nye.
Find your place in space.
Become a member today: https://www.planetary.org/
Stuart Atkinson @stuartatkinson.bsky.social Amateur astronomer and author of science fiction and science reference books, including "A Cat's Guide to The Night Sky". Fascinated by Mars since knee high to R2D2 and owned by a very demanding rescue cat called Jess. 
Rogue NASA @roguenasa.altgov.info Not an official NASA account. Come for the facts, stay for the snark.🥄
Same team from Twitter but with more gray hairs. 🚀🛰️🧪🔭
climate.nasa.gov
they/them
🏳️🌈🫶🏳️⚧️
NASA Webb Telescope @nasawebb.extwitter.link ⚠️ MIRROR OF twitter.com/NASAWebb
⚠️ If you own the original account and want to claim this, please contact @twttr-mirrors.bsky.social
CantlonLab @cantlonlab.bsky.social Professor studying origins of concepts @CarnegieMellon; Brain development, cognition, evolution, math & logic; Primate Portal
@TIME 2017 Silence Breakers; she
Science Homecoming
@sciencehomecoming.bsky.social
Caitlin S., PhD @paleophile.bsky.social Research Dev't & #SciPol | doing my best for science | Evolutionary Anthropology PhD | #celiac | 🐶 #DogRescue | #FosterCare | Personal account.
Bits of Jupiter @jupiterbits.bsky.social Images from NASA's Juno probe, processed by citizen scientists. Credits in text, descriptions in alt. Inspired by the late Bits of Pluto Twitter account. Trans rights!
NOT affiliated with NASA/JPL/SwRI/MSSS.
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European Space Agency @esa.int Elevating the future of Europe through space.
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Babak Tafreshi @babaktafreshi.bsky.social Night sky photographer and explorer for the National Geographic, bridging art and science. babaktafreshi.com
Seán Doran @theseaning.bsky.social ✨ 🌍 🛰️ 📽️
Judy Schmidt @geckzilla.bsky.social Galactic Janitorial Services
Karl Battams @sungrazercomets.bsky.social Astrophysicist. PI of SOHO/LASCO & Sungrazer Project, studying mostly comets, asteroids, Sun and misc heliophysics stuff. Personal account; all opinions mine.
Chanda Prescod-Weinstein 🌌 @chanda.blacksky.app Theoretical Astro/Physicist:
https://chanda.science
First book:
https://tinyurl.com/DisorderedCosmos
BUY MY NEW BOOK:
https://tinyurl.com/EdgeOfSpaceTime
Blog:
news.chanda.science
all Black/all Jewish. 🏳️🌈/agender/woman.
Posts by/for me🖖🏽
Gurdeep Pandher of the Yukon @gurdeep.ca In a world drowning in conflict and grief, we crave what keeps us alive: joy—our daily bread; hope—our living water; kindness—the roof over our souls.
All the Galaxies! @allthegalaxies.galaxyzoo.org Posting galaxies classified by the public on Galaxy Zoo, @galaxyzoo.org
Created and maintained by @davidoryan.bsky.social with backup support from @vrooje.net and @emily.space
ESO @eso.org The European Southern Observatory designs, builds & operates world-class observatories on the ground for the benefit of society. More info on eso.org
LeVar Burton @levarburton.bsky.social Kunta, Geordi, Reading Rainbow guy. Flies twice as high… #bydhttmwfi
Star Trek Family @startrekfamily.bsky.social The Star Trek Family Community is a free not-for-profit global fan organization that brings the community of fans, Actors and series Creatives together!
The STF honors Gene Roddenberry’s Star Trek franchise, celebrates diversity and inclusion.
EarthSky @earthskyscience.bsky.social Updates on your cosmos and world.
Anson Mount @ansonmount.bsky.social Husband, Daddy, Potter, Raconteur
Kym @ The Evening Sky Map @skymaps.com Lifelong sky watcher • Publisher of The Evening Sky Map (PDF) each month since January 2000: skymaps.com/tesm/ • Interests: Astronomy outreach • Astro-imaging • Supernovae | Career scientist (retired)
Kym Thalassoudis PhD
John Hawks @johnhawks.net Paleoanthropologist | Chair and Professor of Anthropology, University of Wisconsin–Madison 🧪🏺💀https://www.johnhawks.net
franz @franzanth.bsky.social i draw bugs and stuff. please ask before using my images.
he/him 🏳️🌈🇮🇩
contact: franzanth at gmail
portfolio: franzanth.com
Hashtags: #Art #SciArt #Gardening
Herb Baker @herbbaker.bsky.social Author of 'From Apollo To Artemis: Stories From My 50 Years With NASA.' NASA Alumni League Board of Directors. Speaker and theater actor. Liberal democrat. Astros fan. UT-Austin alum. Website: herbbaker.space
David Grinspoon @drfunkyspoon.bsky.social Astrobiologist, Author, Musician. 👽🎸❤️🚀
Sagan Medalist, PEN winner, AAAS fellow.
Former Senior Scientist for Astrobiology Strategy at NASA.
There’s an asteroid named after me (22410 Grinspoon) which is better than having one with your name on it…
Jason Major @jpmajor.bsky.social I post cool pictures of stuff in space. (Everything is in space.)
Dr James O'Donoghue 🪐 @interplanetary.bsky.social Planetary scientist, astronomer and science communicator 🪐. Formerly at JAXA, NASA, Boston Uni, and the Uni of Leicester. Now Associate Professor at @UniofReading. Forbes 8 Billion Under 8 Billion. Website: odonoghuespace.github.io
Astronomy Picture of the Day 🪐 @apod.shinyakato.dev Official Mirroring APOD BOT for Bluesky.
https://apod.nasa.gov/apod/lib/about_apod.html
Src:
https://apod.nasa.gov/apod/astropix.html
http://star.ucl.ac.uk/~apod/apod/astropix.html
Maintained by @shinyakato.dev
NASAWATCH @nasawatch.bsky.social NASAWATCH.com - Unofficial Space News Since 1996
HiRISE Beautiful Mars (NASA) @uahirise.bsky.social Images from the High Resolution Imaging Science Experiment (HiRISE) on board the Mars Reconnaissance Orbiter (NASA). We are based out of the Lunar and Planetary Laboratory at the University of Arizona in Tucson, AZ. https://uahirise.org
NSF–DOE Rubin Observatory @vrubinobs.bsky.social Get ready for a new era in astronomy and astrophysics with Rubin Observatory!
Para español siga a Instagram: http://instagram.com/rubin_observatory
Karen James @kejames.bsky.social Environmental geneticist & outdoorswoman into eDNA, botany, evolution, space, sci-comm, skiing, Outlander & kindness • auntie • cat mom • she/her
“I would teach my feet to fly”
Banner art by @truelovebirch@bsky.social
📍Unceded Wabanaki land (aka Maine)
Andy Rivkin @asrivkin.bsky.social Planetary Astronomer on #TeamAsteroid; Gedankenband member/guitarist; “Surprisingly nonchalant” according to Wired. He/him הנני 🌻
Work Output: https://scholar.google.com/citations?user=aGVsk3IAAAAJ
Play output: https://andyrivkin.bandcamp.com
Dr. Sarafina El-Badry Nance @starstrickensf.bsky.social Astrophysicist. Author of STARSTRUCK (PEN/E.O. Wilson Longlist, NCBA finalist, a Penguin Random House Common Read). 🧿🇪🇬 BRCA+ occasional model, fervent activist.
Dr. Alex Parker @alexparker.bsky.social Exploration scientist, engineer, artist. Building things for space inspired by things in the sea, and things for the sea inspired by space. Discovered a few moons along the way. 
Ariel Waldman @arielwaldman.com Antarctic Explorer + Filmmaker.
📺 Creator + host of LIFE UNEARTHED on PBS
🚀 NatGeo Explorer + NASA advisor
🔬 Often filming tardigrades
🔗 https://arielwaldman.com
Erin Ryan @erinleeryan.bsky.social Doctor of space rocks turned professional curser at computers. Human of Freya the dog and of Modicello the garden 🌱 (USDA 7b). Does crochet 🧶 in her off time, also cooks a lot 🍽
Bobak Ferdowsi @ferdowsi.bsky.social Spacecraft engineer
Business insider’s sexiest scientist of 2013
1553 is the best protocol, change my mind
Jeff Foust @jfoust.bsky.social Senior Staff Writer, SpaceNews. Tips? Email jfoust@spacenews.com or contact on Signal: jfoust.58.
James Tuttle Keane @jtuttlekeane.bsky.social planetary scientist 🪐 science illustrator 🎨 trekkie 🖖 dog dad 🐶 Pasadena 🌹 views are my own 🏳️🌈 he/him
Chris Lintott @chrislintott.bsky.social Astronomer, writer and zookeeper. Oxford, Gresham and the Zooniverse. The human half of the Dog Stars podcast. New book: 'Our Accidental Universe' (UK/rest of world) and 'Accidental Astronomy (US) now out.
Swapna Krishna @swapnakrishna.com space reporter. covering Artemis II for NatGeo.
occasionally: national geographic, engadget, fast company, wired, science friday, npr. links: http://bio.site/skrishna
also: Star Trek, Star Wars, knitting, books, parenting
Shannon Stirone @shannonstirone.bsky.social Writer in nyc. Space nerd. Mars is a Hellhole. Bylines in NYT’s, The Atlantic, Wired, Esquire, Longreads, & others. Anti fascist. Opinions are mine. Climate by day.
signal: shannonstirone.78
https://natureofthings.substack.com/
shannonstirone.com
Alexandra Witze @alexwitze.bsky.social Science journalist and correspondent for Nature (she/her). Opinions = my own. Reach me at alexwitze.01 (Signal), witzescience (@gmail.com), or awitze (@protonmail.com).
Nadia Drake @nadiadrake.bsky.social Science journalist, champagneophile, nap champ. Currently freelance, formerly National Geographic. 🇱🇧🇺🇸🏳️🌈
Signal: nadiadrake.01
Corey S. Powell @coreyspowell.bsky.social Fascinated by things very big, very small, and beyond the limits of the human senses. Founder of OpenMind: www.openmindmag.org Creator of the Invisible Universe column: https://invisibleuniverse.substack.com/
Loren Grush @lorengrush.bsky.social Space reporter at @bloomberg.com covering NASA, commercial space, and the cosmos | Send tips: LGrush@bloomberg.net | Signal username: lorengrush.56 | Buy my book! https://www.simonandschuster.com/books/The-Six/Loren-Grush/9781982172817
Thomas H Zurbuchen @drthomasz.bsky.social Scientist, Explorer, Innovator, ETH Prof, NASA’s head of Science 2016-2022
Carl Zimmer @carlzimmer.com NYT columnist. Signal: carlzimmer.51
Newsletter: https://buttondown.com/carlzimmer/
Web: http://carlzimmer.com
[This account includes a tweet archive]
Dr. Tanya Harrison @tanyaofmars.bsky.social “Very Respected Science Person” -NBC News
🔴 Former science operations for NASA Mars missions
🛰️ Current space sector strategist & author advocating for Earth
🌎 Based in Ottawa but often found on a train
✨🇨🇦🏳️🌈✨
Poppy Northcutt @poppynorthcutt.bsky.social One-time rocket scientist, sometime lawyer, full time women’s right activist
Taraustralis @taraustralis.bsky.social Did a lot of stuff over at the blue bird before the bots took over. Now, I’m here.
Australian
TV Producer
Creative
Adventurer
Sydney, Australia
Robert McNees @mcnees.bsky.social Physicist and Professor at a university in Chicago. I study black holes, quantum gravity, and cosmology. Rocky Top, Tar Heel. Reposts are spooky action at a distance.
My views, not my employer's.
https://jacobi.luc.edu
https://mcnees.github.io
Mia Stålnacke @angrytheinch.bsky.social Kiruna Ambassador Of The Year 2020 - Lighthunter in subarctic 🇸🇪 - squirrels - published by NatGeo, Forbes, Nature
Mika McKinnon @mikamckinnon.bsky.social Field geophysicist, disaster researcher, scifi science consultant, science writer, public speaker, irrepressibly curious. Occasional rock-licker, frequent devourer of board books. 🇨🇦🇺🇸
Sarah Hörst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titan’s biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
NPR @npr.org This is NPR 🎙️
Ed Yong @edyong209.bsky.social Writer, journalist. Science, health. Pandemics, animals. Birder, photographer. Many words, some awards. AN IMMENSE WORLD, I CONTAIN MULTITUDES. Married to Liz Neeley, parent to Typo. he/him
📷 Canon R6mkii + RF 800mm
Edyong.me
Heidi B. Hammel @hbhammel.bsky.social planetary astronomer | nearly famous | jwst interdisciplinary scientist | looks just like an ordinary mom | oboist (thoughts expressed here are my own)
Gene J. Mikulka @genejm1017.bsky.social Founded the Talking Space Podcast in 2009.
Immersed in spaceflight since the Apollo days, Space Advocate and lovebird Dad. All Opinions are mine alone and don't reflect the position of the podcast. https://www.talkingspaceonline.com
FOR ALL MANKIND @forallmankind.de Honoring The Apollo 11 Mission:
A Giant Leap for all Mankind.
http://forallmankind.de
http://contactlight.de
David Blanchflower BSc @davidbflower.bsky.social Astronomer and Astrophotographer. Pictures of space appearing in posts, magazines and on the telly. 
Kevin M. Gill @kevinmgill.bsky.social Engineer, data wrangler, and martian photographer at NASA-JPL, Los Angeles. Curiosity Rover ECAM PUL. Saturn native, commutes to Jupiter. USMC vet. Opinions are mine https://apoapsys.com
Emily Lakdawalla 🏳️⚧️ Uranus Expert @elakdawalla.bsky.social Planetary scientist, freelance science writer and space artist, queer, ADHD, mom. Turns out it’s hard to be all those things at once. Shop at elakdawalla.Etsy.com
Astronomy Picture of the Day (unofficial bot) @fanapod.baldanders.info This is bot account.
Deliver "Astronomy Picture of the Day" using NASA API.
NASA API: https://api.nasa.gov/
Managed by @baldanders.info
Powered by https://github.com/goark/toolbox
Jonathan McDowell @planet4589.bsky.social Astrophysicist
Support the work of Jonathan's Space Report:
https://www.gofundme.com/f/fund-jonathans-space-report-library-transition
CONTACT LIGHT @contactlight.de IMAGES OF #APOLLO | #SPACE COLLECTION | http://contactlight.de
| CONTACT LIGHT COLLECTION | http://Contactlight69.redbubble.com
Randall Munroe @xkcd.com 
Katie Mack @astrokatie.com Cosmologist, pilot, author, connoisseur of cosmic catastrophes. TEDFellow, CIFAR Azrieli Global Scholar. Domain verified through my personal astrokatie.com website. She/her. Dr.
Personal account; not speaking for employer or anyone else.
Katharine Hayhoe @katharinehayhoe.com climate scientist
posts 100% my own
🇨🇦 is my home
distinguished professor & chair, Texas Tech
chief scientist, The Nature Conservancy
board member, Smithsonian NMNH
advisor, Lawson Climate Inst UofT
alumna, UToronto and UIUC
author, Saving Us
Sarah Tuttle @niais.cryptoanarchy.network "Ok. Not good. Probably bad." Disabled, queer, Jewish, cyborg, astrophysicist, abortion funder, antifascist, wielder of wrenches. Building joy with a side of chaos. "..a wizardess is never late. Nor is she early. She arrives precisely when she means to."
Dr. Sarah Parcak @indyfromspace.bsky.social Professor, Archaeologist, Egyptologist, Award-winning writer of books, Dad joke lover, mom, rabble-rouser academic. Owned by cats. she/her 
Mike Brown @plutokiller.com Astronomer, planet hunter, Pluto killer, bear whisperer, finger-wrapped dad. Dangerous secularist. Foot soldier in the War on Cars. He/him.
mikebrown.caltech.edu
Phil Plait @philplait.bsky.social Bad Astronomer (formerly @BadAstronomer), SciCommer, Dork. Crash Course Astronomy guy. He/him. Newsletter: badastronomy.beehiiv.com
I'm self-employed so my opinions do in fact represent my company's.
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app
Emily Hunt @emily.space Postdoc @univie.ac.at working on star clusters & machine learning.
Also: open web developer & enthusiast, working on @astrosky.eco and more
🏳️🌈 🏳️⚧️ (she/her), Ⓥ
Website: https://emily.space
GitHub: https://github.com/emilyhunt